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The Federal Bridge Gross Weight Formula, also known as Bridge Formula B or the Federal Bridge Formula, is a mathematical formula in use in the United States by truck drivers and Department of Transportation (DOT) officials to determine the appropriate maximum gross weight for a commercial motor vehicle (CMV) based on axle number and spacing ...
Among other changes, the law permanently implemented a national 55-mph speed limit (which had already been a temporary limit) for the Interstate Highway System. It also established the Federal Bridge Gross Weight Formula as law, which governed the weight-to-length ratio of trucks in order to protect highway bridges and infrastructure.
Download QR code; In other projects Appearance. move to sidebar hide ... illustrating a practical application of the Federal Bridge Gross Weight Formula. Date:
Download as PDF; Printable version; From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Federal Bridge Gross Weight Formula; Retrieved from " ...
Motor carrier deregulation was a part of a sweeping reduction in price controls, entry controls, and collective vendor price setting in United States transportation, begun in 1970-71 with initiatives in the Richard Nixon Administration, carried out through the Gerald Ford and Jimmy Carter Administrations, and continued into the 1980s, collectively seen as a part of deregulation in the United ...
The NBI is used for federal funding purposes. A "bridge sufficiency rating" is calculated, which is based 55% on the structural evaluation, 30% on the obsolescence of its design, and 15% on its importance to the public. As of 2008, a score of 80 or less is required for federal repair funding or 50 or less for federal replacement funding. [7]
"The bridge formula law was enacted to limit the weight-to-length ratio of heavy trucks, and to protect roads and bridges from the damage caused by them." There were no catastrophic bridge col lapses that prompted them to invent a formula to protect bridges, it was a preventative measure taken due to the simple fact that trucks were getting ...
In 1964 the Highway Research Board recommended to congress that weight limits be set based on a bridge formula table. Not until 1974 was the limit raised to 80,000 lb in conjunction with the federal bridge formula limits. I will incorporate this info into the article. --ErgoSum88 19:45, 3 May 2008 (UTC)